update tests

Author: zubair-arbi

opaque_keys/edx/tests/test_locators.py

@@ -84,7 +84,8 @@ def test_aggregate_course_locator_serialize(self):
         "org/course/run",
         "org+course+run",
         "org+course+run+foo",
+        "aggregate-course:org+course+run",
     )
-    def test_invalid_format_location(self, course_id):
+    def test_invalid_format_course_key(self, course_key):
         with self.assertRaises(InvalidKeyError):
-            AggregateCourseLocator.from_string(course_id)
+            AggregateCourseLocator.from_string(course_key)